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Reforming the Earth

Reforming the Earth . Solid, outer layer consisting of the crust and upper mantle. Answer. Lithosphere . Home. This type of crust has a low density made of silica rich rock . Answer. Continental crust . Home. Layer of plastic rock below the lithosphere . Answer. Asthenosphere . Home.

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Reforming the Earth

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  1. Reforming the Earth

  2. Solid, outer layer consisting of the crust and upper mantle Answer

  3. Lithosphere Home

  4. This type of crust has a low density made of silica rich rock Answer

  5. Continental crust Home

  6. Layer of plastic rock below the lithosphere Answer

  7. Asthenosphere Home

  8. Dense crust made of iron and magnesium Answer

  9. Oceanic crust Home

  10. What forms when oceanic lithosphere subducts beneath oceanic lithosphere? Answer

  11. An Island Arc Home

  12. What is an undersea mountain range formed at a divergent boundary? Answer

  13. Mid-ocean Ridge Home

  14. What kind of boundary would from a mountain range? Answer

  15. Convergent Home

  16. Boundary where 2 plates are moving away from each other Answer

  17. Divergent Home

  18. Where are most divergent boundaries found? Answer

  19. On the ocean floor Home

  20. The San Andreas Fault is an example of this type of boundary Answer

  21. Transform . Home

  22. What are 2 types of surface waves? Answer

  23. Love and Rayleigh Home

  24. What is an area where no direct seismic waves can Be detected? Answer

  25. Shadow Zone Home

  26. What scale do we use to describe the intensity of an earthquake? Answer

  27. Modified Mercalli Home

  28. What is it called when rocks on each side of a fault suddenly return to their undeformed shape? Answer

  29. Elastic Rebound Home

  30. What are the most damaging seismic waves? Answer

  31. Surface Waves Home

  32. When this molten rock solidifies beneath Earth’s surface, intrusive igneous rock forms Answer

  33. Magma Home

  34. Magma that erupts onto Earth’s surface is called what? Answer

  35. Lava Home

  36. Volcanically active area of Earth’s surface commonly far away from a tectonic plate Answer

  37. Hot Spot Home

  38. This forms in the ocean where one plate is subducted Answer

  39. Trench Home

  40. Magma formed from an underwater volcano is called what? Answer

  41. Pillow Lava Home

  42. What is the supercontinent that formed 300 million years ago? Answer

  43. Pangea Home

  44. What scales do we use to measure the magnitude of an earthquake? Answer

  45. Richter and Moment Magnitude Home

  46. The point on Earth’s surface directly above the focus of an earthquake Answer

  47. Epicenter Home

  48. A large pluton that can cover an area as big as 100 km2 is a _________ Answer

  49. Batholith Home

  50. Devils Tower was caused by the cooling of magma within Earth’s crust until erosion revealed it. What is this structure called? Answer

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